Dr. Robert Spierer, MD
- Medicare services, 2024
- 2,320
- Medicare patients, 2024
- 232
- Part D claims, 2024
- 7,361
- MIPS score, 2024
- 32
- Hospital affiliations
- 6
- Practice address
- 78 W Railroad Ave, Jamesburg, NJ 08831
- Practice phone
- Call (609) 395-1900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Monroe Medical Group PA
Jamesburg, New Jersey
Find Dr. Spierer's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Robert Spierer is an internist in Jamesburg, New Jersey
Dr. Spierer practices at Monroe Medical Group PA in Jamesburg, New Jersey.
Dr. Spierer's NPI, 1750466975, was assigned on October 26, 2006. Dr. Spierer graduated from Albert Einstein College of Medicine of Yeshiva University in 1971. Dr. Spierer holds New Jersey license MA031123.
- NPI
- 1750466975NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658341912
- NPI enumeration date
- October 26, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (609) 395-1900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 81
- Medical school graduation
- 1971
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Spierer practices at Monroe Medical Group PA in Jamesburg, New Jersey
Dr. Spierer's primary practice is Monroe Medical Group PA, at 78 W Railroad Ave, Jamesburg, NJ 08831 in Middlesex County. The practice phone is (609) 395-1900.
- Monroe Medical Group PA78 W Railroad Ave, Jamesburg, NJ 08831 · Middlesex CountyPhone(609) 395-1900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert Spierer is affiliated with 12 sites of care and 1 medical group
Dr. Spierer's primary practice is Monroe Medical Group PA in Jamesburg, New Jersey. Dr. Spierer is also affiliated with Robert Wood Johnson University Hospital. The medical group on file is Monroe Medical Group, PA. Dmand AI also links Dr. Spierer to 5 more hospitals, 2 home health agencies, 2 skilled nursing facilities and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Robert Spierer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Spierer practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Monroe Medical Group PA | Available with a free account |
| +11 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Spierer is one of 4,226 internists in New Jersey
Internal medicine is Dr. Spierer's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Spierer is licensed in New Jersey.
Specialties and state licenses
- Internal medicine, New JerseyPrimary
Internists near Dr. Spierer
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert Spierer billed Medicare for 2,320 services in 2024
CMS data shows 2,320 Medicare services from Dr. Spierer across 20 procedure codes in 2024, for 232 Medicare patients. Medicare paid $163,015 for them.
Dr. Spierer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,6622024: 1,50310%
- Other services
- 2023: 2532024: 31023%
- Surgery
- 2023: 2122024: 2329%
- Tests and treatments
- 2023: 1592024: 18214%
- Lab and pathology
- 2023: 932024: 93No change
Where Dr. Spierer's Medicare services took place, 2024
- In an office1,89081%
- In a facility43019%
Dr. Spierer compared with the New Jersey median for internists, 2024
- Dr. Spierer
- New Jersey median
- Medicare services
- 2,320vs 7233.2 times
- Medicare patients
- 232vs 231Close to median
- Part D claims
- 6,568vs 8307.9 times
Medians across 4,086 internists in New Jersey with Dmand AI profiles that report each measure.
Dr. Spierer's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Spierer and other internists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Spierer treated 232 Medicare patients in 2024, average age 79
CMS counts 232 Medicare patients who saw Dr. Spierer in 2024. The largest group is 85 and over, with 79 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Spierer's median patient age at 76, with 55% women.
Dr. Spierer's Medicare patients by age, 2024
Dr. Spierer's Medicare patients by sex, 2024
- Women12554%
- Men10746%
Chronic conditions among Dr. Spierer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis41%
- Diabetes39%
- Ischemic heart disease33%
- Mood disorders33%
- Anxiety30%
- Chronic kidney disease29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Spierer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women55%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert Spierer wrote 7,361 Medicare Part D claims in 2024
In 2024, Dr. Spierer wrote 7,361 Medicare Part D claims for 387 patients. 88% of them were for generic drugs. CMS names the drug for 6,568 of them, across 127 drugs with 11 or more claims each, at $528,407 in total drug cost. In 2023, CMS named 5,733 claims across 116 drugs.
Dr. Spierer's Part D claims by kind of drug, 2024
- Generic6,501 claims88%
- Brand-name827 claims11%
- Other33 claims0%
Dr. Spierer's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Spierer's Part D claims, 2024
- Opioids2%143 of 7,361 claims
- Antibiotics2%184 of 7,361 claims
- Antipsychotics, patients 65 and over1%76 of 7,361 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5,7332024: 6,56815%
Drugs named by CMS: 127 in 2024, 116 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Robert Spierer scored 32 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 32 out of 100 for Dr. Spierer for performance year 2024, reported individually. Dr. Spierer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Spierer as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Spierer's MIPS scores, performance year 2024
- 32of 100Final score
- 15of 100Quality
- 0of 100Improvement Activities
- 85of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Robert Spierer received $40 in industry payments from 2017 to 2019
CMS Open Payments shows 2 general payments to Dr. Spierer from 2 drug and device companies from 2017 to 2019. Food and beverage make up the largest share, 59% of the total. Sanofi and Genzyme US Companies paid the most, $24.
General payments to Dr. Spierer by program year, 2017 to 2019
General payments to Dr. Spierer by kind, 2017 to 2019
- Food and beverage$2459%
- Education$1641%
Companies that paid Dr. Spierer the most, 2017 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert Spierer graduated from Albert Einstein College of Medicine of Yeshiva University
Dr. Spierer graduated from Albert Einstein College of Medicine of Yeshiva University in 1971.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert Spierer's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Robert Spierer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Robert Spierer's NPI number?
Dr. Robert Spierer's NPI number is 1750466975. It was assigned on October 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Spierer?
Dr. Robert Spierer is an internist in Jamesburg, New Jersey. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert Spierer practice?
Dr. Spierer practices at 78 W Railroad Ave, Jamesburg, NJ 08831. Dr. Spierer's primary practice is Monroe Medical Group PA in Jamesburg, New Jersey. Dmand AI also links Dr. Spierer to 5 hospitals, 2 home health agencies, 2 skilled nursing facilities and 1 group practice or clinic.
What is Dr. Robert Spierer's office phone number?
The practice phone on file for Dr. Spierer is (609) 395-1900.
What is Dr. Robert Spierer's medical license number?
Dr. Spierer holds New Jersey license MA031123.
Which hospitals is Dr. Robert Spierer affiliated with?
Dr. Spierer is affiliated with Robert Wood Johnson University Hospital. Dmand AI links Dr. Spierer to 5 more hospitals.
What medical group is Dr. Robert Spierer part of?
Dr. Spierer is linked to Monroe Medical Group, PA.
Does Dr. Robert Spierer accept Medicare?
Yes. CMS data shows Dr. Spierer billed Medicare for 2,320 services in 2024, and Dr. Spierer accepts Medicare assignment.
Does Dr. Robert Spierer offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Spierer as offering telehealth services.
What is Dr. Robert Spierer's MIPS score?
Dr. Spierer's MIPS final score for performance year 2024 is 32 out of 100, reported individually.
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How many Medicare patients does Dr. Robert Spierer see?
CMS counts 232 Medicare patients who saw Dr. Spierer in 2024, with an average age of 79.
What services does Dr. Robert Spierer bill to Medicare?
In 2024, Dr. Spierer's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99233) and office visit, established patient (99213).
Where did Dr. Robert Spierer go to medical school?
Dr. Spierer graduated from Albert Einstein College of Medicine of Yeshiva University in 1971.
What drugs does Dr. Robert Spierer prescribe most?
In 2024 Medicare Part D data, Dr. Spierer's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Metoprolol Succinate.
Has Dr. Robert Spierer received payments from drug or device companies?
CMS Open Payments shows $40 in general payments to Dr. Spierer from 2 companies from 2017 to 2019. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Robert Spierer been practicing?
Dr. Spierer graduated from medical school in 1971, 55 years ago.
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